Chemistry Experiments

Do-Hae is pretty sure his girlfriend is the one. She’s the perfect chick for him… except in one crucial way: there’s no chemistry in the bedroom. After the inevitable breakup, Do-Hae’s left alone and desperate for answers. Luckily, an opportunity presents itself in no time: he agrees to discuss his sex life on a show, hosted by the voluptuous Kim Ha-Yan. Soon enough, the sexual sparks begin to fly as Do-Hae begins his "chemistry experiments"… 
(Source: Lezhin X, edited)